DE112012001994T8 - Magnetic field sensor with a control node to receive a control signal to set a threshold - Google Patents

Magnetic field sensor with a control node to receive a control signal to set a threshold Download PDF

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Publication number
DE112012001994T8
DE112012001994T8 DE112012001994.6T DE112012001994T DE112012001994T8 DE 112012001994 T8 DE112012001994 T8 DE 112012001994T8 DE 112012001994 T DE112012001994 T DE 112012001994T DE 112012001994 T8 DE112012001994 T8 DE 112012001994T8
Authority
DE
Germany
Prior art keywords
threshold
receive
magnetic field
field sensor
control signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DE112012001994.6T
Other languages
German (de)
Other versions
DE112012001994B4 (en
DE112012001994T5 (en
Inventor
Andreas P. Friedrich
Gary T. Pepka
Paul David
Nevenka Kozomora
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Allegro Microsystems Inc
Original Assignee
Allegro Microsystems Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Allegro Microsystems Inc filed Critical Allegro Microsystems Inc
Publication of DE112012001994T5 publication Critical patent/DE112012001994T5/en
Application granted granted Critical
Publication of DE112012001994T8 publication Critical patent/DE112012001994T8/en
Publication of DE112012001994B4 publication Critical patent/DE112012001994B4/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/0023—Electronic aspects, e.g. circuits for stimulation, evaluation, control; Treating the measured signals; calibration
    • G01R33/0029—Treating the measured signals, e.g. removing offset or noise
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/9517—Proximity switches using a magnetic detector using galvanomagnetic devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/9401—Calibration techniques
    • H03K2217/94021—Calibration techniques with human activation, e.g. processes requiring or being triggered by human intervention, user-input of digital word or analog voltage

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Hall/Mr Elements (AREA)
  • Measuring Magnetic Variables (AREA)
DE112012001994.6T 2011-05-06 2012-04-09 Magnetic field sensor with a control node to receive a control signal to set a threshold value Active DE112012001994B4 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US13/102,449 US8957676B2 (en) 2011-05-06 2011-05-06 Magnetic field sensor having a control node to receive a control signal to adjust a threshold
US13/102,449 2011-05-06
USUS-13/102,449 2011-05-06
PCT/US2012/032693 WO2012154355A1 (en) 2011-05-06 2012-04-09 Magnetic field sensor having a control node to receive a control signal to adjust a threshold

Publications (3)

Publication Number Publication Date
DE112012001994T5 DE112012001994T5 (en) 2014-03-27
DE112012001994T8 true DE112012001994T8 (en) 2014-04-17
DE112012001994B4 DE112012001994B4 (en) 2020-07-02

Family

ID=46028150

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112012001994.6T Active DE112012001994B4 (en) 2011-05-06 2012-04-09 Magnetic field sensor with a control node to receive a control signal to set a threshold value

Country Status (3)

Country Link
US (1) US8957676B2 (en)
DE (1) DE112012001994B4 (en)
WO (1) WO2012154355A1 (en)

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CN104065367B (en) * 2013-03-20 2017-11-07 江苏多维科技有限公司 A kind of low-watt consumption magnetic resistance switch sensor
JP6244211B2 (en) * 2014-01-27 2017-12-06 Ckd株式会社 Fluid pressure cylinder sensor
KR102267082B1 (en) 2014-03-11 2021-06-18 알레그로 마이크로시스템스, 엘엘씨 Magnetic field sensor maintaining a minimal separation of thresholds, and corresponding sensing method
EP2955492B1 (en) * 2014-06-13 2017-05-10 Nxp B.V. Sensor system with a full bridge configuration of four resistive sensing elements
CN105185655B (en) * 2015-08-12 2017-08-29 江苏多维科技有限公司 A kind of magnetoelectricity ohm relay
US10101410B2 (en) 2015-10-21 2018-10-16 Allegro Microsystems, Llc Methods and apparatus for sensor having fault trip level setting
US10715116B2 (en) * 2016-04-01 2020-07-14 King Kuen Hau Power control by direct drive
CN107037379A (en) * 2017-05-26 2017-08-11 北京传嘉科技有限公司 Hall sensing device, terminal
DE102018005677A1 (en) * 2018-07-19 2020-01-23 Tdk-Micronas Gmbh Hall sensor
US10690731B2 (en) 2018-09-28 2020-06-23 Allegro Microsystems, Llc Magnetic field sensor with adaptive threshold and associated methods
US11894844B1 (en) 2022-08-01 2024-02-06 Allegro Microsystems, Llc Rapid data transfer sensor arrays
US11972154B2 (en) 2022-08-02 2024-04-30 Allegro Microsystems, Llc Configurable variable-length shift register circuits

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Also Published As

Publication number Publication date
DE112012001994B4 (en) 2020-07-02
WO2012154355A1 (en) 2012-11-15
DE112012001994T5 (en) 2014-03-27
US8957676B2 (en) 2015-02-17
US20120280681A1 (en) 2012-11-08

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